Oh, I just remembered another precedent which supports part of your analysis: some years ago KoJen posted an announcement along the lines of "I hereby perform every action that it is possible for me to take in Agora, simultaneously.". I don't think there was a CFJ, but everyone treated it as invalid. There was a similar case where someone posted a C program that was intended to output an infinite number of character strings in a deterministic order (although technically it invoked undefined behaviour), and the poster said that e was performing an infinite number of actions as indicated by the output of that program. That too was treated as invalid.
-zefram
